3GLTEInfo Text-based logo for the 3GLTEInfo telecom engineering reference platform. 3GLTE INFO TELECOM ENGINEERING REFERENCE
Menu

Home / Call Flows / 5G / 5G QoS / Policy Procedures

5G QoS / Policy Procedures

5G QoS and policy procedures show how the network applies service treatment across active PDU sessions. Use this hub to jump into QoS flow establishment, modification, release, QFI updates, PCC policy enforcement, GBR handling, session rule control, and policy recovery call flows.

What This Covers

QoS flow procedures establish, modify, or release the per-service treatment used inside a PDU session.

QFI updates, PCC enforcement, GBR handling, and session rule changes show how policy decisions affect user-plane behavior.

Use the links below to jump directly into QoS lifecycle, QFI, PCC, GBR, session rule, and recovery call flows.

QoS Flow Lifecycle

Procedures that establish, modify, and release QoS treatment on active sessions.

Related 5G Paths

  • 5G Access & Registration Covers initial access, registration, authentication entry points, service request triggers, and the end-to-end UE to AMF registration sequence in 5G networks.
  • 5G PDU Session Management Includes PDU session establishment, modification, release, SSC handling, and user-plane tunnel setup between the UE, AMF, SMF, and UPF.
  • 5G Mobility Procedures Focuses on handover, tracking area updates, inter-gNB mobility, path switch, and session continuity during movement across the network.
  • 5G RRC Procedures Includes RRC setup, resume, reconfiguration, release, paging response, and other radio control exchanges between the UE and gNB.
  • QoS Flow Establishment QoS parameters setup
  • QoS Flow Modification Update QFI or QoS-rule behavior